Home / 30,238.48-45,378.36-10,516.84

Finding the Fourth Proportional to 30,238.48, 45,378.36 and 10,516.84

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Solution

The fourth proportional to 30,238.48, 45,378.36 and 10,516.84 is: 15,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238.48 : 45,378.36 = 10,516.84 : x
  2. Step 2: Convert to fraction form
    30,238.48/45,378.36 = 10,516.84/x
  3. Step 3: Cross multiply
    30,238.48x = 45,378.36 × 10,516.84
  4. Step 4: Simplify right side
    30,238.48x = 477,236,951.58
  5. Step 5: Solve for x
    x = 477,236,951.58/30,238.48
  6. Step 6: Final answer
    x = 15,782.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.